US 10,309,640 B2
Floor covering system comprising a lighting system
Maarten Marinus Johannes Wilhelmus Van Herpen, Heesch (NL); Oscar Hendrikus Willemsen, Den Bosch (NL); and Marcellinus Petrus Carolus Michael Krijn, Eindhoven (NL)
Assigned to SIGNIFY HOLDING B.V., Eindhoven (NL)
Filed by SIGNIFY HOLDING B.V., Eindhoven (NL)
Filed on Sep. 2, 2015, as Appl. No. 14/843,522.
Application 14/843,522 is a continuation of application No. 13/497,289, granted, now 9,869,465, previously published as PCT/IB2010/054212, filed on Sep. 17, 2010.
Claims priority of application No. 09171208 (EP), filed on Sep. 24, 2009; and application No. 10163309 (EP), filed on May 19, 2010.
Prior Publication US 2015/0369470 A1, Dec. 24, 2015
Int. Cl. E04B 5/46 (2006.01); E04F 15/02 (2006.01); E04F 15/10 (2006.01); F21V 33/00 (2006.01); F21V 23/04 (2006.01)
CPC F21V 33/006 (2013.01) [E04B 5/46 (2013.01); E04F 15/02 (2013.01); E04F 15/10 (2013.01); F21V 23/0471 (2013.01); E04F 2290/026 (2013.01); F21V 23/0442 (2013.01); F21V 23/0485 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A floor covering system comprising:
a polyvinyl chloride (PVC) flooring having a user side and an opposite back side; and
a lighting system for generating light, the lighting system provided at the back side of the PVC flooring, the lighting system comprising a plurality of light units, each light unit having one or more light sources disposed on a common substrate;
an auxiliary layer comprising a first side and an opposite second side, the first side of the auxiliary layer positioned at the back side of the PVC flooring, the auxiliary layer further comprising a plurality of openings therethrough, wherein each of the plurality of light units is positioned entirely within a respective one of the openings in the auxiliary layer;
wherein the PVC flooring has a light transmission for light generated by the lighting system in the range of 0.5% to 30% such that the lighting system is not visible through the user side of the PVC flooring, and further wherein the PVC flooring is configured to protect the lighting system from damage when a user walks on the floor covering system; and
wherein the PVC flooring is disposed on at least two of the light units.